Home / 1,778,411.38-2,454,441.33-1,014,289.78

Finding the Fourth Proportional to 1,778,411.38, 2,454,441.33 and 1,014,289.78

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Solution

The fourth proportional to 1,778,411.38, 2,454,441.33 and 1,014,289.78 is: 1,399,853.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,411.38 : 2,454,441.33 = 1,014,289.78 : x
  2. Step 2: Convert to fraction form
    1,778,411.38/2,454,441.33 = 1,014,289.78/x
  3. Step 3: Cross multiply
    1,778,411.38x = 2,454,441.33 × 1,014,289.78
  4. Step 4: Simplify right side
    1,778,411.38x = 2,489,514,756,628.61
  5. Step 5: Solve for x
    x = 2,489,514,756,628.61/1,778,411.38
  6. Step 6: Final answer
    x = 1,399,853.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.